--- loncom/interface/loncommon.pm 2012/01/16 18:04:20 1.1054
+++ loncom/interface/loncommon.pm 2012/12/14 13:38:50 1.1075.2.19
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common routines
#
-# $Id: loncommon.pm,v 1.1054 2012/01/16 18:04:20 raeburn Exp $
+# $Id: loncommon.pm,v 1.1075.2.19 2012/12/14 13:38:50 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -70,6 +70,8 @@ use Apache::lonclonecourse();
use LONCAPA qw(:DEFAULT :match);
use DateTime::TimeZone;
use DateTime::Locale::Catalog;
+use Authen::Captcha;
+use Captcha::reCAPTCHA;
# ---------------------------------------------- Designs
use vars qw(%defaultdesign);
@@ -885,10 +887,14 @@ sub check_uncheck_jscript {
function checkAll(field) {
if (field.length > 0) {
for (i = 0; i < field.length; i++) {
- field[i].checked = true ;
+ if (!field[i].disabled) {
+ field[i].checked = true;
+ }
}
} else {
- field.checked = true
+ if (!field.disabled) {
+ field.checked = true;
+ }
}
}
@@ -1374,7 +1380,7 @@ function helpMenu(target) {
return;
}
function writeHelp(caller) {
- caller.document.writeln('$start_page $end_page')
+ caller.document.writeln('$start_page\\n\\n\\n$end_page')
caller.document.close()
caller.focus()
}
@@ -1748,6 +1754,7 @@ Inputs: $workbook
Returns: $format, a hash reference.
+
=cut
###############################################################
@@ -1980,19 +1987,112 @@ sub select_form {
# For display filters
sub display_filter {
+ my ($context) = @_;
if (!$env{'form.show'}) { $env{'form.show'}=10; }
if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
- return '
generation
+ no_inline_link -> if true and in remote mode, don't show the
+ 'Switch To Inline Menu' link
no_auto_mt_title -> prevent &mt()ing the title arg
inherit_jsmath -> when creating popup window in a page,
should it have jsmath forced on by the
current page
bread_crumbs -> Array containing breadcrumbs
bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs
+ group -> includes the current group, if page is for a
+ specific group
=back
@@ -6942,7 +7433,7 @@ sub start_page {
#&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
$env{'internal.start_page'}++;
- my $result;
+ my ($result,@advtools);
if (! exists($args->{'skip_phases'}{'head'}) ) {
$result .= &xml_begin() . &headtag($title, $head_extra, $args);
@@ -6959,7 +7450,8 @@ sub start_page {
$args->{'function'}, $args->{'add_entries'},
$args->{'only_body'}, $args->{'domain'},
$args->{'force_register'}, $args->{'no_nav_bar'},
- $args->{'bgcolor'}, $args);
+ $args->{'bgcolor'}, $args->{'no_inline_link'},
+ $args, \@advtools);
}
}
@@ -6988,6 +7480,10 @@ sub start_page {
&Apache::lonhtmlcommon::add_breadcrumb($crumb);
}
}
+ # if @advtools array contains items add then to the breadcrumbs
+ if (@advtools > 0) {
+ &Apache::lonmenu::advtools_crumbs(@advtools);
+ }
#if bread_crumbs_component exists show it as headline else show only the breadcrumbs
if(exists($args->{'bread_crumbs_component'})){
@@ -7016,7 +7512,9 @@ sub end_page {
} else {
$result .= &endbodytag($args);
}
- $result .= "\n";
+ unless ($args->{'notbody'}) {
+ $result .= "\n";
+ }
if ($args->{'js_ready'}) {
$result = &js_ready($result);
@@ -7101,8 +7599,14 @@ sub modal_link {
unless ($width) { $width=480; }
unless ($height) { $height=400; }
unless ($scrolling) { $scrolling='yes'; }
- return ''.
- $linktext.'';
+ my $target_attr;
+ if (defined($target)) {
+ $target_attr = 'target="'.$target.'"';
+ }
+ return <<"ENDLINK";
+
+ $linktext
+ENDLINK
}
sub modal_adhoc_script {
@@ -7350,16 +7854,21 @@ sub validate_page {
sub start_scrollbox {
- my ($outerwidth,$width,$height,$id)=@_;
+ my ($outerwidth,$width,$height,$id,$bgcolor)=@_;
unless ($outerwidth) { $outerwidth='520px'; }
unless ($width) { $width='500px'; }
unless ($height) { $height='200px'; }
- my ($table_id,$div_id);
+ my ($table_id,$div_id,$tdcol);
if ($id ne '') {
$table_id = " id='table_$id'";
$div_id = " id='div_$id'";
}
- return "
";
+ if ($bgcolor ne '') {
+ $tdcol = "background-color: $bgcolor;";
+ }
+ return <<"END";
+
+END
}
sub end_scrollbox {
@@ -7370,7 +7879,7 @@ sub simple_error_page {
my ($r,$title,$msg) = @_;
my $page =
&Apache::loncommon::start_page($title).
- &mt($msg).
+ '
'.&mt($msg).'
'.
&Apache::loncommon::end_page();
if (ref($r)) {
$r->print($page);
@@ -7585,8 +8094,7 @@ role status: active, previous or future.
sub check_user_status {
my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
- my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});
- my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname,'.',undef,$extra);
+ my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
my @uroles = keys %userinfo;
my $srchstr;
my $active_chk = 'none';
@@ -8817,6 +9325,8 @@ sub get_future_slots {
=pod
+=back
+
=head1 HTTP Helpers
=over 4
@@ -8955,13 +9465,24 @@ sub get_env_multiple {
sub ask_for_embedded_content {
my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
- my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges);
- my $num = 0;
+ my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges,
+ %currsubfile,%unused,$rem);
+ my $counter = 0;
+ my $numnew = 0;
my $numremref = 0;
my $numinvalid = 0;
my $numpathchg = 0;
my $numexisting = 0;
- my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath);
+ my $numunused = 0;
+ my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath,$cdom,$cnum,
+ $fileloc,$filename,$delete_output,$modify_output,$title,$symb,$path);
+ my $heading = &mt('Upload embedded files');
+ my $buttontext = &mt('Upload');
+
+ my $navmap;
+ if ($env{'request.course.id'}) {
+ $navmap = Apache::lonnavmaps::navmap->new();
+ }
if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
my $current_path='/';
if ($env{'form.currentpath'}) {
@@ -8989,8 +9510,32 @@ sub ask_for_embedded_content {
}
} elsif ($actionurl eq '/adm/coursedocs') {
if (ref($args) eq 'HASH') {
- $url = $args->{'docs_url'};
- $toplevel = $url;
+ $url = $args->{'docs_url'};
+ $toplevel = $url;
+ if ($args->{'context'} eq 'paste') {
+ ($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});
+ ($path) =
+ ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
+ $fileloc = &Apache::lonnet::filelocation('',$toplevel);
+ $fileloc =~ s{^/}{};
+ }
+ }
+ } elsif ($actionurl eq '/adm/dependencies') {
+ if ($env{'request.course.id'} ne '') {
+ $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ if (ref($args) eq 'HASH') {
+ $url = $args->{'docs_url'};
+ $title = $args->{'docs_title'};
+ $toplevel = "/$url";
+ ($rem) = ($toplevel =~ m{^(.+/)[^/]+$});
+ ($path) =
+ ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
+ $fileloc = &Apache::lonnet::filelocation('',$toplevel);
+ $fileloc =~ s{^/}{};
+ ($filename) = ($fileloc =~ m{.+/([^/]+)$});
+ $heading = &mt('Status of dependencies in [_1]',"$title ($filename)");
+ }
}
}
my $now = time();
@@ -9029,25 +9574,46 @@ sub ask_for_embedded_content {
}
}
}
+ my $dirptr = 16384;
foreach my $path (keys(%subdependencies)) {
- my %currsubfile;
+ $currsubfile{$path} = {};
if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
my ($sublistref,$listerror) =
&Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
if (ref($sublistref) eq 'ARRAY') {
foreach my $line (@{$sublistref}) {
my ($file_name,$rest) = split(/\&/,$line,2);
- $currsubfile{$file_name} = 1;
+ $currsubfile{$path}{$file_name} = 1;
}
}
} elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
if (opendir(my $dir,$url.'/'.$path)) {
my @subdir_list = grep(!/^\./,readdir($dir));
- map {$currsubfile{$_} = 1;} @subdir_list;
+ map {$currsubfile{$path}{$_} = 1;} @subdir_list;
+ }
+ } elsif (($actionurl eq '/adm/dependencies') ||
+ (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+ ($args->{'context'} eq 'paste'))) {
+ if ($env{'request.course.id'} ne '') {
+ my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
+ if ($dir ne '') {
+ my ($sublistref,$listerror) =
+ &Apache::lonnet::dirlist($dir.$path,$cdom,$cnum,$getpropath,undef,'/');
+ if (ref($sublistref) eq 'ARRAY') {
+ foreach my $line (@{$sublistref}) {
+ my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,$size,
+ undef,$mtime)=split(/\&/,$line,12);
+ unless (($testdir&$dirptr) ||
+ ($file_name =~ /^\.\.?$/)) {
+ $currsubfile{$path}{$file_name} = [$size,$mtime];
+ }
+ }
+ }
+ }
}
}
foreach my $file (keys(%{$subdependencies{$path}})) {
- if ($currsubfile{$file}) {
+ if (exists($currsubfile{$path}{$file})) {
my $item = $path.'/'.$file;
unless ($mapping{$item} eq $item) {
$pathchanges{$item} = 1;
@@ -9058,6 +9624,23 @@ sub ask_for_embedded_content {
$newfiles{$path.'/'.$file} = 1;
}
}
+ if ($actionurl eq '/adm/dependencies') {
+ foreach my $path (keys(%currsubfile)) {
+ if (ref($currsubfile{$path}) eq 'HASH') {
+ foreach my $file (keys(%{$currsubfile{$path}})) {
+ unless ($subdependencies{$path}{$file}) {
+ next if (($rem ne '') &&
+ (($env{"httpref.$rem"."$path/$file"} ne '') ||
+ (ref($navmap) &&
+ (($navmap->getResourceByUrl($rem."$path/$file") ne '') ||
+ (($file =~ /^(.*\.s?html?)\.bak$/i) &&
+ ($navmap->getResourceByUrl($rem."$path/$1")))))));
+ $unused{$path.'/'.$file} = 1;
+ }
+ }
+ }
+ }
+ }
}
my %currfile;
if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
@@ -9074,9 +9657,29 @@ sub ask_for_embedded_content {
my @dir_list = grep(!/^\./,readdir($dir));
map {$currfile{$_} = 1;} @dir_list;
}
+ } elsif (($actionurl eq '/adm/dependencies') ||
+ (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+ ($args->{'context'} eq 'paste'))) {
+ if ($env{'request.course.id'} ne '') {
+ my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
+ if ($dir ne '') {
+ my ($dirlistref,$listerror) =
+ &Apache::lonnet::dirlist($dir,$cdom,$cnum,$getpropath,undef,'/');
+ if (ref($dirlistref) eq 'ARRAY') {
+ foreach my $line (@{$dirlistref}) {
+ my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,
+ $size,undef,$mtime)=split(/\&/,$line,12);
+ unless (($testdir&$dirptr) ||
+ ($file_name =~ /^\.\.?$/)) {
+ $currfile{$file_name} = [$size,$mtime];
+ }
+ }
+ }
+ }
+ }
}
foreach my $file (keys(%dependencies)) {
- if ($currfile{$file}) {
+ if (exists($currfile{$file})) {
unless ($mapping{$file} eq $file) {
$pathchanges{$file} = 1;
}
@@ -9086,41 +9689,124 @@ sub ask_for_embedded_content {
$newfiles{$file} = 1;
}
}
+ foreach my $file (keys(%currfile)) {
+ unless (($file eq $filename) ||
+ ($file eq $filename.'.bak') ||
+ ($dependencies{$file})) {
+ if ($actionurl eq '/adm/dependencies') {
+ next if (($rem ne '') &&
+ (($env{"httpref.$rem".$file} ne '') ||
+ (ref($navmap) &&
+ (($navmap->getResourceByUrl($rem.$file) ne '') ||
+ (($file =~ /^(.*\.s?html?)\.bak$/i) &&
+ ($navmap->getResourceByUrl($rem.$1)))))));
+ }
+ $unused{$file} = 1;
+ }
+ }
+ if (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+ ($args->{'context'} eq 'paste')) {
+ $counter = scalar(keys(%existing));
+ $numpathchg = scalar(keys(%pathchanges));
+ return ($output,$counter,$numpathchg,\%existing);
+ }
foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
+ if ($actionurl eq '/adm/dependencies') {
+ next if ($embed_file =~ m{^\w+://});
+ }
$upload_output .= &start_data_table_row().
- '
'.&mt('Updated [quant,_1,reference] in [_2].',
$count,''.
- $fname.'').'
';
+ $fname.'').'';
} else {
$output = '
'.
&mt('Error: update failed for: [_1].',
@@ -9552,7 +10344,11 @@ sub modify_html_refs {
' to modify references: '.$parse_result);
}
}
- return $output;
+ if (wantarray) {
+ return ($output,$count,$codebasecount);
+ } else {
+ return $output;
+ }
}
sub check_for_existing {
@@ -9719,43 +10515,226 @@ sub is_archive_file {
}
sub decompress_form {
- my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements) = @_;
+ my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements,$dirlist) = @_;
my %lt = &Apache::lonlocal::texthash (
this => 'This file is an archive file.',
+ camt => 'This file is a Camtasia archive file.',
+ itsc => 'Its contents are as follows:',
youm => 'You may wish to extract its contents.',
- camt => 'Extraction of contents is recommended for Camtasia zip files.',
- perm => 'Permanently remove archive file after extraction of contents?',
extr => 'Extract contents',
+ auto => 'LON-CAPA can process the files automatically, or you can decide how each should be handled.',
+ proa => 'Process automatically?',
yes => 'Yes',
no => 'No',
+ fold => 'Title for folder containing movie',
+ movi => 'Title for page containing embedded movie',
);
- my $output = '
'.
+ &mt('Course home server failed to retrieve:').'
'.
+ $replicationfail.
+ '
';
+ }
+ }
+ } else {
+ $warning = &mt('No items found in archive.');
+ }
+ if ($error) {
+ $output .= '
'.&mt('Not extracted.').' '.
+ $error.'
'."\n";
+ }
+ if ($warning) {
+ $output .= '
'.$warning.'
'."\n";
+ }
+ return $output;
+}
+
+sub cleanup_empty_dirs {
+ my ($path) = @_;
+ if (($path ne '') && (-d $path)) {
+ if (opendir(my $dirh,$path)) {
+ my @dircontents = grep(!/^\./,readdir($dirh));
+ my $numitems = 0;
+ foreach my $item (@dircontents) {
+ if (-d "$path/$item") {
+ &recurse_dirs("$path/$item");
+ if (-e "$path/$item") {
+ $numitems ++;
+ }
+ } else {
+ $numitems ++;
+ }
+ }
+ if ($numitems == 0) {
+ rmdir($path);
+ }
+ closedir($dirh);
+ }
+ }
+ return;
+}
+
+=pod
+
+=item &get_folder_hierarchy()
+
+Provides hierarchy of names of folders/sub-folders containing the current
+item,
+
+Inputs: 3
+ - $navmap - navmaps object
+
+ - $map - url for map (either the trigger itself, or map containing
+ the resource, which is the trigger).
+
+ - $showitem - 1 => show title for map itself; 0 => do not show.
+
+Outputs: 1 @pathitems - array of folder/subfolder names.
+
+=cut
+
+sub get_folder_hierarchy {
+ my ($navmap,$map,$showitem) = @_;
+ my @pathitems;
+ if (ref($navmap)) {
+ my $mapres = $navmap->getResourceByUrl($map);
+ if (ref($mapres)) {
+ my $pcslist = $mapres->map_hierarchy();
+ if ($pcslist ne '') {
+ my @pcs = split(/,/,$pcslist);
+ foreach my $pc (@pcs) {
+ if ($pc == 1) {
+ push(@pathitems,&mt('Main Course Documents'));
+ } else {
+ my $res = $navmap->getByMapPc($pc);
+ if (ref($res)) {
+ my $title = $res->compTitle();
+ $title =~ s/\W+/_/g;
+ if ($title ne '') {
+ push(@pathitems,$title);
+ }
+ }
+ }
+ }
+ }
+ if ($showitem) {
+ if ($mapres->{ID} eq '0.0') {
+ push(@pathitems,&mt('Main Course Documents'));
+ } else {
+ my $maptitle = $mapres->compTitle();
+ $maptitle =~ s/\W+/_/g;
+ if ($maptitle ne '') {
+ push(@pathitems,$maptitle);
+ }
+ }
+ }
+ }
+ }
+ return @pathitems;
+}
+
=pod
=item * &get_turnedin_filepath()
@@ -11916,7 +13815,7 @@ sub init_user_environment {
# See if old ID present, if so, remove
- my ($filename,$cookie,$userroles);
+ my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv);
my $now=time;
if ($public) {
@@ -11954,7 +13853,8 @@ sub init_user_environment {
# Initialize roles
- $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
+ ($userroles,$firstaccenv,$timerintenv) =
+ &Apache::lonnet::rolesinit($domain,$username,$authhost);
}
# ------------------------------------ Check browser type and MathML capability
@@ -12015,7 +13915,7 @@ sub init_user_environment {
%domdef = &Apache::lonnet::get_domain_defaults($domain);
}
- foreach my $tool ('aboutme','blog','portfolio') {
+ foreach my $tool ('aboutme','blog','webdav','portfolio') {
$userenv{'availabletools.'.$tool} =
&Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
undef,\%userenv,\%domdef,\%is_adv);
@@ -12028,13 +13928,33 @@ sub init_user_environment {
\%userenv,\%domdef,\%is_adv);
}
+ $userenv{'canrequest.author'} =
+ &Apache::lonnet::usertools_access($username,$domain,'requestauthor',
+ 'reload','requestauthor',
+ \%userenv,\%domdef,\%is_adv);
+ my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
+ $domain,$username);
+ my $reqstatus = $reqauthor{'author_status'};
+ if ($reqstatus eq 'approval' || $reqstatus eq 'approved') {
+ if (ref($reqauthor{'author'}) eq 'HASH') {
+ $userenv{'requestauthorqueued'} = $reqstatus.':'.
+ $reqauthor{'author'}{'timestamp'};
+ }
+ }
+
$env{'user.environment'} = "$lonids/$cookie.id";
-
+
if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
&GDBM_WRCREAT(),0640)) {
&_add_to_env(\%disk_env,\%initial_env);
&_add_to_env(\%disk_env,\%userenv,'environment.');
&_add_to_env(\%disk_env,$userroles);
+ if (ref($firstaccenv) eq 'HASH') {
+ &_add_to_env(\%disk_env,$firstaccenv);
+ }
+ if (ref($timerintenv) eq 'HASH') {
+ &_add_to_env(\%disk_env,$timerintenv);
+ }
if (ref($args->{'extra_env'})) {
&_add_to_env(\%disk_env,$args->{'extra_env'});
}
@@ -12070,7 +13990,9 @@ sub get_symb {
my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
if ($symb eq '') {
if (!$silent) {
- $request->print("Unable to handle ambiguous references:$url:.");
+ if (ref($request)) {
+ $request->print("Unable to handle ambiguous references:$url:.");
+ }
return ();
}
}
@@ -12134,6 +14056,292 @@ sub build_release_hashes {
return;
}
+sub update_content_constraints {
+ my ($cdom,$cnum,$chome,$cid) = @_;
+ my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
+ my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
+ my %checkresponsetypes;
+ foreach my $key (keys(%Apache::lonnet::needsrelease)) {
+ my ($item,$name,$value) = split(/:/,$key);
+ if ($item eq 'resourcetag') {
+ if ($name eq 'responsetype') {
+ $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
+ }
+ }
+ }
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (defined($navmap)) {
+ my %allresponses;
+ foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
+ my %responses = $res->responseTypes();
+ foreach my $key (keys(%responses)) {
+ next unless(exists($checkresponsetypes{$key}));
+ $allresponses{$key} += $responses{$key};
+ }
+ }
+ foreach my $key (keys(%allresponses)) {
+ my ($major,$minor) = split(/\./,$checkresponsetypes{$key});
+ if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) {
+ ($reqdmajor,$reqdminor) = ($major,$minor);
+ }
+ }
+ undef($navmap);
+ }
+ unless (($reqdmajor eq '') && ($reqdminor eq '')) {
+ &Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
+ }
+ return;
+}
+
+sub parse_supplemental_title {
+ my ($title) = @_;
+
+ my ($foldertitle,$renametitle);
+ if ($title =~ /&&&/) {
+ $title = &HTML::Entites::decode($title);
+ }
+ if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
+ $renametitle=$4;
+ my ($time,$uname,$udom) = ($1,$2,$3);
+ $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
+ my $name = &plainname($uname,$udom);
+ $name = &HTML::Entities::encode($name,'"<>&\'');
+ $renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
+ $title=''.&Apache::lonlocal::locallocaltime($time).' '.
+ $name.': '.$foldertitle;
+ }
+ if (wantarray) {
+ return ($title,$foldertitle,$renametitle);
+ }
+ return $title;
+}
+
+sub symb_to_docspath {
+ my ($symb) = @_;
+ return unless ($symb);
+ my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
+ if ($resurl=~/\.(sequence|page)$/) {
+ $mapurl=$resurl;
+ } elsif ($resurl eq 'adm/navmaps') {
+ $mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};
+ }
+ my $mapresobj;
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (ref($navmap)) {
+ $mapresobj = $navmap->getResourceByUrl($mapurl);
+ }
+ $mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};
+ my $type=$2;
+ my $path;
+ if (ref($mapresobj)) {
+ my $pcslist = $mapresobj->map_hierarchy();
+ if ($pcslist ne '') {
+ foreach my $pc (split(/,/,$pcslist)) {
+ next if ($pc <= 1);
+ my $res = $navmap->getByMapPc($pc);
+ if (ref($res)) {
+ my $thisurl = $res->src();
+ $thisurl=~s{^.*/([^/]+)\.\w+$}{$1};
+ my $thistitle = $res->title();
+ $path .= '&'.
+ &Apache::lonhtmlcommon::entity_encode($thisurl).'&'.
+ &Apache::lonhtmlcommon::entity_encode($thistitle).
+ ':'.$res->randompick().
+ ':'.$res->randomout().
+ ':'.$res->encrypted().
+ ':'.$res->randomorder().
+ ':'.$res->is_page();
+ }
+ }
+ }
+ $path =~ s/^\&//;
+ my $maptitle = $mapresobj->title();
+ if ($mapurl eq 'default') {
+ $maptitle = 'Main Course Documents';
+ }
+ $path .= (($path ne '')? '&' : '').
+ &Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
+ &Apache::lonhtmlcommon::entity_encode($maptitle).
+ ':'.$mapresobj->randompick().
+ ':'.$mapresobj->randomout().
+ ':'.$mapresobj->encrypted().
+ ':'.$mapresobj->randomorder().
+ ':'.$mapresobj->is_page();
+ } else {
+ my $maptitle = &Apache::lonnet::gettitle($mapurl);
+ my $ispage = (($type eq 'page')? 1 : '');
+ if ($mapurl eq 'default') {
+ $maptitle = 'Main Course Documents';
+ }
+ $path = &Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
+ &Apache::lonhtmlcommon::entity_encode($maptitle).':::::'.$ispage;
+ }
+ unless ($mapurl eq 'default') {
+ $path = 'default&'.
+ &Apache::lonhtmlcommon::entity_encode('Main Course Documents').
+ ':::::&'.$path;
+ }
+ return $path;
+}
+
+sub captcha_display {
+ my ($context,$lonhost) = @_;
+ my ($output,$error);
+ my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+ if ($captcha eq 'original') {
+ $output = &create_captcha();
+ unless ($output) {
+ $error = 'captcha';
+ }
+ } elsif ($captcha eq 'recaptcha') {
+ $output = &create_recaptcha($pubkey);
+ unless ($output) {
+ $error = 'recaptcha';
+ }
+ }
+ return ($output,$error);
+}
+
+sub captcha_response {
+ my ($context,$lonhost) = @_;
+ my ($captcha_chk,$captcha_error);
+ my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+ if ($captcha eq 'original') {
+ ($captcha_chk,$captcha_error) = &check_captcha();
+ } elsif ($captcha eq 'recaptcha') {
+ $captcha_chk = &check_recaptcha($privkey);
+ } else {
+ $captcha_chk = 1;
+ }
+ return ($captcha_chk,$captcha_error);
+}
+
+sub get_captcha_config {
+ my ($context,$lonhost) = @_;
+ my ($captcha,$pubkey,$privkey,$hashtocheck);
+ my $hostname = &Apache::lonnet::hostname($lonhost);
+ my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
+ my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
+ if ($context eq 'usercreation') {
+ my %domconfig = &Apache::lonnet::get_dom('configuration',[$context],$serverhomedom);
+ if (ref($domconfig{$context}) eq 'HASH') {
+ $hashtocheck = $domconfig{$context}{'cancreate'};
+ if (ref($hashtocheck) eq 'HASH') {
+ if ($hashtocheck->{'captcha'} eq 'recaptcha') {
+ if (ref($hashtocheck->{'recaptchakeys'}) eq 'HASH') {
+ $pubkey = $hashtocheck->{'recaptchakeys'}{'public'};
+ $privkey = $hashtocheck->{'recaptchakeys'}{'private'};
+ }
+ if ($privkey && $pubkey) {
+ $captcha = 'recaptcha';
+ } else {
+ $captcha = 'original';
+ }
+ } elsif ($hashtocheck->{'captcha'} ne 'notused') {
+ $captcha = 'original';
+ }
+ }
+ } else {
+ $captcha = 'captcha';
+ }
+ } elsif ($context eq 'login') {
+ my %domconfhash = &Apache::loncommon::get_domainconf($serverhomedom);
+ if ($domconfhash{$serverhomedom.'.login.captcha'} eq 'recaptcha') {
+ $pubkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_public'};
+ $privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
+ if ($privkey && $pubkey) {
+ $captcha = 'recaptcha';
+ } else {
+ $captcha = 'original';
+ }
+ } elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
+ $captcha = 'original';
+ }
+ }
+ return ($captcha,$pubkey,$privkey);
+}
+
+sub create_captcha {
+ my %captcha_params = &captcha_settings();
+ my ($output,$maxtries,$tries) = ('',10,0);
+ while ($tries < $maxtries) {
+ $tries ++;
+ my $captcha = Authen::Captcha->new (
+ output_folder => $captcha_params{'output_dir'},
+ data_folder => $captcha_params{'db_dir'},
+ );
+ my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
+
+ if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
+ $output = ''."\n".
+ &mt('Type in the letters/numbers shown below').' '.
+ ' '.
+ '';
+ last;
+ }
+ }
+ return $output;
+}
+
+sub captcha_settings {
+ my %captcha_params = (
+ output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
+ www_output_dir => "/captchaspool",
+ db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
+ numchars => '5',
+ );
+ return %captcha_params;
+}
+
+sub check_captcha {
+ my ($captcha_chk,$captcha_error);
+ my $code = $env{'form.code'};
+ my $md5sum = $env{'form.crypt'};
+ my %captcha_params = &captcha_settings();
+ my $captcha = Authen::Captcha->new(
+ output_folder => $captcha_params{'output_dir'},
+ data_folder => $captcha_params{'db_dir'},
+ );
+ my $captcha_chk = $captcha->check_code($code,$md5sum);
+ my %captcha_hash = (
+ 0 => 'Code not checked (file error)',
+ -1 => 'Failed: code expired',
+ -2 => 'Failed: invalid code (not in database)',
+ -3 => 'Failed: invalid code (code does not match crypt)',
+ );
+ if ($captcha_chk != 1) {
+ $captcha_error = $captcha_hash{$captcha_chk}
+ }
+ return ($captcha_chk,$captcha_error);
+}
+
+sub create_recaptcha {
+ my ($pubkey) = @_;
+ my $captcha = Captcha::reCAPTCHA->new;
+ return $captcha->get_options_setter({theme => 'white'})."\n".
+ $captcha->get_html($pubkey).
+ &mt('If either word is hard to read, [_1] will replace them.',
+ '').
+ '
';
+}
+
+sub check_recaptcha {
+ my ($privkey) = @_;
+ my $captcha_chk;
+ my $captcha = Captcha::reCAPTCHA->new;
+ my $captcha_result =
+ $captcha->check_answer(
+ $privkey,
+ $ENV{'REMOTE_ADDR'},
+ $env{'form.recaptcha_challenge_field'},
+ $env{'form.recaptcha_response_field'},
+ );
+ if ($captcha_result->{is_valid}) {
+ $captcha_chk = 1;
+ }
+ return $captcha_chk;
+}
+
=pod
=back
500 Internal Server Error
Internal Server Error
The server encountered an internal error or
misconfiguration and was unable to complete
your request.
Please contact the server administrator at
root@localhost to inform them of the time this error occurred,
and the actions you performed just before this error.
More information about this error may be available
in the server error log.